194865640

素因数分解:

$2^3\times 5^1\times {\mathrm{4871641}}^1$

素因数の和:4871652

約数の個数: 16

約数和(自身を含む): 438447780

約数和(自身を除く): 243582140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4871641, 9743282, 19486564, 24358205, 38973128, 48716410, 97432820, 194865640]

約数ペア:

[(1, 194865640), (2, 97432820), (4, 48716410), (5, 38973128), (8, 24358205), (10, 19486564), (20, 9743282), (40, 4871641)]